/Engine/Plugins/Online/OnlineSubsystemUtils/Source/OnlineSubsystemUtils/Public/VoiceEngineImpl.h
This can be used to get arbitrarily tap outgoing microphone audio from local players to use elsewhere in your application. for information on usage, see MultithreadedPatching.h.
nullptr if the VoiceEngine implementation being used does not support tapping audio output from the microphone.
virtual [Audio::FPatchOutputStrongPtr](API\Runtime\Engine\FPatchOutputStrongPtr) GetMicrophoneOutput()